vilas kumar wrote:

>  How do I do it when I an programming in C in UNIX environment. In other
> words, can anybody
> tell me how to send an 8 bit binary data to port 0x378 using an ANSI C

do man outb

>
> program? A sample code would be very useful.

do this :
linux_prompt>apropos port | grep -i read
linux_prompt>apropos port | grep -i write


another way is you do a read/write call which talk with device driver specific
read/write calls
for eg. you have to write to a printer.
you use the write (to device)....before that you open the device by open (
device ) system call
or use the magic of ioctl system call.

-gaurav.

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